deps(python): bump sqlfluff from 3.0.7 to 3.1.0 in /dependencies/python (#5847)

Bumps [sqlfluff](https://github.com/sqlfluff/sqlfluff) from 3.0.7 to 3.1.0.
- [Release notes](https://github.com/sqlfluff/sqlfluff/releases)
- [Changelog](https://github.com/sqlfluff/sqlfluff/blob/main/CHANGELOG.md)
- [Commits](sqlfluff/sqlfluff@3.0.7...3.1.0)

---
updated-dependencies:
- dependency-name: sqlfluff
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

dependencies/python/sqlfluff.txt

@@ -1 +1 @@
-sqlfluff==3.0.7
+sqlfluff==3.1.0